参数资料
型号: AD5744RCSUZ-REEL7
厂商: Analog Devices Inc
文件页数: 27/32页
文件大小: 0K
描述: IC DAC QUAD 14BIT 1LSB 32TQFP
产品培训模块: Data Converter Fundamentals
DAC Architectures
产品变化通告: AD5764(R), AD5744R Product Change 04/Sept/2009
标准包装: 500
设置时间: 10µs
位数: 14
数据接口: 串行
转换器数目: 4
电压电源: 模拟和数字,双 ±
功率耗散(最大): 387mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-TQFP
供应商设备封装: 32-TQFP(7x7)
包装: 带卷 (TR)
输出数目和类型: 4 电压,双极
采样率(每秒): *
AD5744R
Data Sheet
Rev. E | Page 4 of 32
SPECIFICATIONS
AVDD = 11.4 V to 16.5 V, AVSS = 11.4 V to 16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFAB = REFCD = 5 V external;
DVCC = 2.7 V to 5.25 V, RLOAD = 10 kΩ, CL = 200 pF. All specifications TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments1
ACCURACY
Outputs unloaded
Resolution
14
Bits
Relative Accuracy (INL)
1
+1
LSB
Differential Nonlinearity (DNL)
1
+1
LSB
Guaranteed monotonic
Bipolar Zero Error
2
+2
mV
25°C; error at other temperatures obtained
using bipolar zero tempco
3
+3
mV
Bipolar Zero Tempco2
2
+2
ppm FSR/°C
Zero-Scale Error
2
+2
mV
25°C; error at other temperatures
obtained using zero-scale tempco
2.5
+2.5
mV
Zero-Scale Tempco2
2
+2
ppm FSR/°C
Gain Error
0.02
+0.02
% FSR
Gain Tempco2
2
+2
ppm FSR/°C
0.125
LSB
REFERENCE INPUT/OUTPUT
Reference Input2
Reference Input Voltage
5
V
±1% for specified performance
DC Input Impedance
1
Typically 100 MΩ
Input Current
10
+10
μA
Typically ±30 nA
Reference Range
1
7
V
Reference Output
Output Voltage
4.995
5
5.005
V
25°C, AVDD/AVSS = ±13.5 V
Reference Tempco2
10
±1.7
+10
ppm/°C
RLOAD2
1
Power Supply Sensitivity1
300
μV/V
Output Noise2
18
μV p-p
0.1 Hz to 10 Hz
Noise Spectral Density2
75
nV/√Hz
10 kHz
Output Voltage Drift vs. Time2
±40
ppm/500 hr
±50
ppm/1000 hr
Thermal Hysteresis1
70
ppm
First temperature cycle
30
ppm
Subsequent temperature cycles
OUTPUT CHARACTERISTICS2
Output Voltage Range3
10.5263
+10.5263
V
AVDD/AVSS = ±11.4 V, VREFIN = 5 V
14.7368
+14.7368
V
AVDD/AVSS = ±16.5 V, VREFIN = 7 V
Output Voltage Drift vs. Time
±13
ppm FSR/500 hr
±15
ppm FSR/1000 hr
Short-Circuit Current
10
mA
RISCC = 6 kΩ, see Figure 31
Load Current
1
+1
mA
For specified performance
Capacitive Load Stability
RLOAD = ∞
200
pF
RLOAD = 10 kΩ
1000
pF
DC Output Impedance
0.3
Ω
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